The TrIsCo project engages island communities to help tackle climate change and reduce CO2 emissions. It provides best practices for public bodies, businesses, and citizens. The project is a collaboration between 6 European organizations and is supported by the European Regional Development Fund. It launched a website to share project information and news. University students visited a building using passive energy strategies. A solar and biomass energy fair was held in Sweden. A study tour in the UK showcased community engagement techniques. A climate street party competition in the Netherlands engaged over 12,000 households in reducing energy consumption.